Skip to content
LessonPrint

Equal Groups — Arrays is a free printable Grade 3 maths worksheet on reading a product from a rectangular array, aligned to Common Core standard 3.OA.A.1. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

Next setLesson plan

One paper per pupil

All 25 sets ask different questions.

Equal Groups — Arrays

3.OA.A.1

NameDate

Write the multiplication, then the total.

1.
___ × ___ =
2.
___ × ___ =
3.
___ × ___ =
4.
___ × ___ =
5.
___ × ___ =
6.
___ × ___ =
7.
___ × ___ =
8.
___ × ___ =

LessonPrint · 3.OA.A.1 · Set 1 · free to copy for classroom use

Answer key — Equal Groups — Arrays

Set 1. Prints on its own sheet.

  1. 1.4 × 3 = 12
  2. 2.6 × 5 = 30
  3. 3.4 × 2 = 8
  4. 4.3 × 5 = 15
  5. 5.4 × 6 = 24
  6. 6.5 × 6 = 30
  7. 7.5 × 2 = 10
  8. 8.5 × 3 = 15

Questions about Equal Groups — Arrays

What does the Equal Groups — Arrays worksheet cover?

It practises reading a product from a rectangular array — 8 questions for Grade 3, all on Common Core 3.OA.A.1: Understand multiplication as a number of equal groups. The instruction to pupils is “Write the multiplication, then the total”, and the answer key follows on the next sheet.

Which Common Core standard does Equal Groups — Arrays practise?

CCSS.MATH.CONTENT.3.OA.A.1 — 3.OA.A.1, in the Operations & Algebraic Thinking domain for Grade 3. The published standard reads: “Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Equal Groups — Arrays is written for Grade 3, typically ages 8-9. It is one of the sheets on 3.OA.A.1, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Equal Groups — Arrays come with an answer key?

Yes. All 8 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Equal Groups — Arrays can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Equal Groups — Arrays free to print and photocopy?

Yes. Equal Groups — Arrays, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

Is there a lesson plan to teach 3.OA.A.1?

Yes — “Multiplication as Equal Groups” is a 45-minute Grade 3 plan for 3.OA.A.1, timed section by section, with the misconceptions to expect and an exit ticket. Equal Groups — Arrays is the practice that follows it.

More practice for 3.OA.A.1

Understand multiplication as a number of equal groups.

Teaching this next? Multiplication as Equal Groups is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.OA.A.1 of the Common Core State Standards for mathematics.